Alexander "Sandy" McGregor was born on 9th May 1915 in Regina, Saskatchewan, Canada and was the son of Alexander and Elizabeth (nee Mcadie) McGregor. His parents had emigrated from Wick, Caithness, Scotland prior to Sandy's and his brother David McGregor's births. After leaving school in 1935 he worked as a clerk for various companies in Saskatchewan, latterly for a flour mill in Moose Jaw. He enlisted into the RCAF in Regina on 7th May 1942 and trained as an air gunner. With his basic air gunner's training complete in Canada he was awarded his half-wings on 19th February 1943. He was then posted to the UK to continue his training in late March 1943 and was posted to 22 OTU on 20th April 1943. He was then posted to 432 Squadron on 30th June 1943 who were still flying Wellingtons at the time. He appears to have later converted to fly in the Lancaster at 1679 Conversion Flight. F/Sgt McGregor was flying as rear gunner on 16th / 17th December 1943.
His service record states that he received a commission on 27th October 1943 but this may have taken some time to filter through to him and 432 Squadron as their record book list him as being in the rank of F/Sgt at the time of the incident to Lancaster DS832 in December 1943. On 19th April 1944 he was still serving with 432 Squadron when he lost his life as a result of Halifax LW643 crashing in France. He was twenty nine years old and is buried in Clichy Northern Cemetery, France.
His brother David was killed on 8th June 1942 flying with 415 Squadron in a flying accident near Abbotsinch. The McGregor Lakes in Saskatchewan are named in their honour.